实例介绍
【实例简介】客户端和服务器Socket通讯,对初学者有帮助
【实例截图】

【核心代码】using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Windows.Forms;
namespace ChatClient
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
CheckForIllegalCrossThreadCalls = false;
}
private bool bConnected = false;//客户机与服务器连接状态
private Thread tAcceptMsg = null;//侦听线程
private IPEndPoint IPP = null;//用于Socket通信的IP地址和端口
private Socket socket = null;//Socket通信
private NetworkStream nStream = null;//网络访问的基础数据流
private TextReader tReader = null;//创建读取器
private TextWriter tWriter = null;//创建编写器
public void AcceptMessage()
{
string sTemp;//临时存储读取的字符串
while (bConnected)
{
try
{
sTemp = tReader.ReadLine();
if (sTemp.Length != 0)
{
lock (this)
{
richTextBox1.Text = "服务器" sTemp "\n" richTextBox1.Text;
}
}
}
catch
{
MessageBox.Show("无法与服务器通信");
}
}
socket.Shutdown(SocketShutdown.Both);
socket.Close();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
try
{
socket.Close();
tAcceptMsg.Abort();
}
catch
{
}
}
private void button1_Click(object sender, EventArgs e)
{
try
{
IPP = new IPEndPoint(IPAddress.Parse(textBox1.Text), int.Parse(textBox2.Text));
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(IPP);
if (socket.Connected)
{
nStream = new NetworkStream(socket);
tReader = new StreamReader(nStream);
tWriter = new StreamWriter(nStream);
tAcceptMsg = new Thread(new ThreadStart(this.AcceptMessage));
tAcceptMsg.Start();
bConnected = true;
button1.Enabled = false;
MessageBox.Show("与服务器建立连接,可以通信!");
}
}
catch
{
MessageBox.Show("无法与服务器通信!");
}
}
private void richTextBox2_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == (char)13)
{
if (bConnected)
{
try
{
lock (this)
{
richTextBox1.Text = "客户机:" richTextBox2.Text richTextBox1.Text;
tWriter.WriteLine(richTextBox2.Text);
tWriter.Flush();
richTextBox2.Text = "";
richTextBox2.Focus();
}
}
catch
{
MessageBox.Show("与服务器断开连接!");
}
}
else
{
MessageBox.Show("未与服务器建立连接,不能通信!");
}
}
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
private void richTextBox2_TextChanged(object sender, EventArgs e)
{
}
private void groupBox1_Enter(object sender, EventArgs e)
{
}
}
}
【实例截图】


【核心代码】using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Windows.Forms;
namespace ChatClient
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
CheckForIllegalCrossThreadCalls = false;
}
private bool bConnected = false;//客户机与服务器连接状态
private Thread tAcceptMsg = null;//侦听线程
private IPEndPoint IPP = null;//用于Socket通信的IP地址和端口
private Socket socket = null;//Socket通信
private NetworkStream nStream = null;//网络访问的基础数据流
private TextReader tReader = null;//创建读取器
private TextWriter tWriter = null;//创建编写器
public void AcceptMessage()
{
string sTemp;//临时存储读取的字符串
while (bConnected)
{
try
{
sTemp = tReader.ReadLine();
if (sTemp.Length != 0)
{
lock (this)
{
richTextBox1.Text = "服务器" sTemp "\n" richTextBox1.Text;
}
}
}
catch
{
MessageBox.Show("无法与服务器通信");
}
}
socket.Shutdown(SocketShutdown.Both);
socket.Close();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
try
{
socket.Close();
tAcceptMsg.Abort();
}
catch
{
}
}
private void button1_Click(object sender, EventArgs e)
{
try
{
IPP = new IPEndPoint(IPAddress.Parse(textBox1.Text), int.Parse(textBox2.Text));
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(IPP);
if (socket.Connected)
{
nStream = new NetworkStream(socket);
tReader = new StreamReader(nStream);
tWriter = new StreamWriter(nStream);
tAcceptMsg = new Thread(new ThreadStart(this.AcceptMessage));
tAcceptMsg.Start();
bConnected = true;
button1.Enabled = false;
MessageBox.Show("与服务器建立连接,可以通信!");
}
}
catch
{
MessageBox.Show("无法与服务器通信!");
}
}
private void richTextBox2_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == (char)13)
{
if (bConnected)
{
try
{
lock (this)
{
richTextBox1.Text = "客户机:" richTextBox2.Text richTextBox1.Text;
tWriter.WriteLine(richTextBox2.Text);
tWriter.Flush();
richTextBox2.Text = "";
richTextBox2.Focus();
}
}
catch
{
MessageBox.Show("与服务器断开连接!");
}
}
else
{
MessageBox.Show("未与服务器建立连接,不能通信!");
}
}
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
private void richTextBox2_TextChanged(object sender, EventArgs e)
{
}
private void groupBox1_Enter(object sender, EventArgs e)
{
}
}
}
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